• 한국HCI학회:학술대회논문집
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• 2009.02a
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• pp.1109-1113
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• 2009

Exchange of data between users and system is made by users' inputting their information into HTML input forms like when signing up in websites or buying in online shopping malls. If users make a mistake of inputting their information, the system gives an error message in order for users to correct their mistakes. Although ISO recommends immediate feedback, Bargas et al. gave a report that feedback in all after filling forms out is more usable than feedback one by one when inputting data online. We made a comparative experiment on usability under each case of feedback one by one and feedback in all. The result is immediate feedback is more usable and satisfactory. The analysis of data resulted that immediate feedback produced fewer error and gets higher subjective ratings.

• The KIPS Transactions:PartD
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• v.14D no.1 s.111
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• pp.35-44
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• 2007

Recently, an increasing in quantity of multimedia data have brought a new problem that expected data should be retrieved fast and exactly. The adequate representation for the multimedia data is the key element for efficient retrieval. For this reason, MPEG-7 standard was established for description of multimedia data. In this paper, we propose a new approach to metadata production. The user can decompose a given content into units and easily annotate each unit by adding basic Information such as time, place, etc. as well as classification information such as event, relationship, etc. according to the MPEG-7 standard. The objective is to build automatically a pure semantic description; the nodes are the events and the links are the graphs which describe the relationships among the events. Finally, we have implemented an annotation tool(SMAT) for semantic description based on proposed technique and assess some of the experiment results. In conclusion, we ran say that the proposod annotation tool is characterized by two important proprieties : reusability and extendibility.

• The KIPS Transactions:PartC
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• v.12C no.5 s.101
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• pp.741-748
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• 2005

SyncML is an open standard data synchronization protocol proposed by OMA(Open Mobile Alliance). In this paper, a Session Handler module, one of major modules for developing SyncML data synchronization clients, and a client User Setup program are designed and implemented. The Session Handier Module controls communication sessions, generates header parts of messages exchanged, and determines the legitimacy of incoming messages. In order to justify normal operations of the Session Handler module and the client User Setup program implemented In this paper, they are ported to a Zaurus PDA, which runs on LINUX operating system. In addition, data synchronization operations are performed between the PDA and a Synthesis sever, whose SyncML data synchronization operation is certificated by OMA, Wireless Internet International Standard Forum.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.26 no.1
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• pp.49-67
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• 2016

SP 800-90B of NIST(USA) and AIS.31 of BSI(Germany) are representative statistical tests for TRNGs. In this paper, we concentrate on AIS.31 which is under the ongoing international standardization process. We examine the probabilistic meaning of each statistic of the test in AIS.31 and investigate its probability distribution. By changing significance level and the length of sample bits, we obtain formalized accept region of the test. Furthermore we propose the accept regions for some iterative tests, that are not mentioned in AIS.31, and provide some simulations.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.15 no.9
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• pp.1993-1999
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• 2011

This paper describes a design of area-efficient/low-power cryptographic processor for HIGHT block cipher algorithm, which was approved as standard of cryptographic algorithm by KATS(Korean Agency for Technology and Standards) and ISO/IEC. The HIGHT algorithm, which is suitable for ubiquitous computing devices such as a sensor in USN or a RFID tag, encrypts a 64-bit data block with a 128-bit cipher key to make a 64-bit cipher text, and vice versa. For area-efficient and low-power implementation, we optimize round transform block and key scheduler to share hardware resources for encryption and decryption. The HIGHT64 core synthesized using a 0.35-${\mu}m$ CMOS cell library consists of 3,226 gates, and the estimated throughput is 150-Mbps with 80-MHz@2.5-V clock.

• Journal of Korean Society for Quality Management
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• v.31 no.3
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• pp.62-84
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• 2003

The typical reason of the private sector's increasing share in standardization is that the procedures of official standardization organizations are out of step with the rate of technical development. At today's so fast pace that the success of a technology is decided in the market even before it is standardized, several industry leaders jointly make their draft standard at the early stage of development, which becomes 'De fecto Standard.' To respond effectively to current trends of standardization where the market's decision is thought much of than official standardization procedures, it is necessary to shift from our current public sector-driven to private sector-driven standardization. Therefore, to vitalize the private sector-driven standardization in Korea, there is a need to: Run a standard foundation to secure stable resources for standardization Make information exchange between the govertment and private sector active and policy-making on standards consistent by designating a private organization to cover the roles, policies on standards, and support of the national standardization organization Establish a system to make private sector-driven standards approved as international standards Offer a training program to forster standard experts Publicize the importance of standards Promote standardization forums driven by private businesses, like the Integrated Forum. Maximize the benefits of linking standards and patents Now, Korea is on the threshold of developing into a world-class standard leader, and the private sector-driven standardization should be a stepping-stone for crossing over the threshold. This study is designed to suggest a method of promoting private sector-driven standardization to effectively cope with fast-changing international standards, based on the cases in developed countries.

• Journal of the Korean Society for Library and Information Science
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• v.50 no.4
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• pp.333-350
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• 2016

Article 50 and article 18 related to orphan works in the Copyright Act of Korea and Enforcement Decree of the Copyright Act of Korea define 'considerable efforts' to locate copyright owners. This study analyzed the reasonableness of the efforts for mass digitization in libraries. The findings of the study were the duplication of searches on the 'Finding Copyright' website and the inquire to copyright trust management organizations by document, ambiguity of search criteria through information networks, and problems due to non-use of international standard identifiers in managing works on copyright register, works with undistributed compensation, and copyright trust management organizations. This study suggests that copyright trust management organizations should register trust works, the government should develop a guideline for detail guidance for searching information networks, and copyright works should be managed using international standard identifiers.

• Archives of design research
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• v.11 no.3
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• pp.177-185
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• 1998

Started from the Industrial Revolution in England, the design movement, the concept of plastic arts is spread and developed in many European countries. It meets new phase due to the much more developed industrial techniques and internationalized era since the World War II. The concept of identity in design appeared with industrial diversification, specialization, and inter- nationalization comes out through every visual identification standards. And the concept is used in public facilities and groups such as national institutions, schools, hospitals, or lots of religious bodies, as well as in industries to aim at the most profit from products' sale. Since the opening of Seoul National University of Technology in 1910, the university which has long history and tradition of about 90 years has used the unique visual identification in changing the University name to meet with the surrounding environment and the timely characteristics. However, the English name for the University was changed in 1998, so the new era to leap was open. Therefore, the University introduced formally the concept of U. I. (University Identification) with the new image. It is an inevitable outcome of modern time.

• 한국방재학회:학술대회논문집
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• 2011.02a
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• pp.199-199
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• 2011

유량을 측정하는 수로 중 가장 많이 사용되고 있는 유량 계측 수공구조물은 위어와 파샬플륨이다. 하지만 위어는 직상류부분에 유사가 퇴적되는 단점을 가진 반면, 파샬플륨의 경우 부유사의 침전이 일어나지 않는 장점이 있다. 또한 파샬플륨의 손실수두는 위어의 약 25%에 불과하므로 파샬플륨이 계측수로로써 위어보다 상대적으로 유리하다. 현재 파샬플륨 내 흐름 특성에 관한 연구는 많이 이루어져 있으나 구조물 하류구간에서 발생하는 세굴에 관한 연구는 다소 부족한 실정이다. 따라서 본 연구는 유랑을 측정하는 계측 수공구조물인 파샬플륨의 하류구간 세굴을 수치모의를 통해 검토한 후 이를 바탕으로 물받이 길이를 산정하였다. 수치모의의 적정성 평가를 위해 국제표준화기구(ISO)에서 제시한 ISO No.1에 대해 세굴에 관한 수리모형실험을 실시한 후 수치모의와 비교한 결과 세굴 경향성이 유사하게 나타났다. 파샬플륨 규모별로 하류구간 세굴을 수치모의 한 결과 세굴 경향은 흐름에 따라 크게 4단계로 나뉘었다. 각 단계별로 도수의 위치가 다르며, 이로인하여 세굴 경향이 바뀌는 것으로 나타났다. 특히 도수의 발생 위치가 파샬플륨 내부에서 하류로 이동하면서 세굴심과 세굴 거리가 점차 증가하는 경향을 보였다. 따라서 도수의 발생 위치가 옮겨지기 전 최대 세굴심과 세굴 거리를 이용하여 물받이 길이를 결정하였으며, 도수의 발생 위치를 물받이 위치에 고정시키기 위하여 물받이 형상을 정수지형 물받이로 결정하였다. 산정된 물받이 길이 및 형상의 적정성을 검증하기 위하여 물받이를 ISO No.1에 적용한 후 수치모의를 수행하였다. 수치모의 결과 최대 세굴심은 설치전에 비하여 27.3% 감소하였으며 이에 따라 제시된 물받이는 적정하다고 판단된다. 추후 세굴에 관한 수리모형실험과 수치모의의 결과 비교시 최대세굴심 구간을 제외한 부분의 차이발생의 원인과 다른 형상의 물받이에 관하여 연구를 수행한다면 파샬플륨을 설계시 참고자료로 활용될 수 있을 것이며, 세굴로 인한 파샬플륨의 손상을 방지하는데 기여할 것이라고 기대된다.

• Journal of the Korean Institute of Gas
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• v.22 no.4
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• pp.7-12
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• 2018

Hydrogen energy has been attracting attention as an alternative energy source for petroleum and stoneware. In addition, the benefits of hydrogen energy, such as no dust, abundant energy source and no ecological impact, were to compare favorably with other renewable energy sources. However, unclear product development standards and usage of hydrogen energy increase the risk of accidents in hydrogen energy related product lines. And, the high energy level of hydrogen has implications for large social problems in the event of an accident. Therefore, this study suggests the standardization method of fast hydrogen energy to help secure the safe market of hydrogen energy related products, which are mostly developed new products.